• Two owners from new • Present ownership since 1963 • Unrestored and highly original • Requires recommissioning Beginning in 1922 and using the 10/30 as a starting point, Alvis's newly appointed Chief Engineer Captain G T Smith-Clarke and Chief Designer W M Dunn created the car that effectively established the firm's reputation: the immortal 12/50.

The latter was powered by a new overhead-valve engine of 1,496cc, and on its competition debut at Brooklands in 1923 secured a legendary victory in the 200-Mile event.

The production version went on sale later that same year priced at £550.

Sporting coachwork predominated on the early chassis, with tourers and saloons appearing as time went on.

If not over-burdened by weighty coachwork, most were capable of around 75-80mph.

A 1,598cc engine became available in 1924 together with front-wheel brakes, while a four-speed 'crash' gearbox was used throughout the model's life.

From 1926 onwards the 12/50 benefited from a significantly strong...